JPH0545102B2 - - Google Patents

Info

Publication number
JPH0545102B2
JPH0545102B2 JP61042434A JP4243486A JPH0545102B2 JP H0545102 B2 JPH0545102 B2 JP H0545102B2 JP 61042434 A JP61042434 A JP 61042434A JP 4243486 A JP4243486 A JP 4243486A JP H0545102 B2 JPH0545102 B2 JP H0545102B2
Authority
JP
Japan
Prior art keywords
signal
mobile station
base station
transmission
energized
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP61042434A
Other languages
Japanese (ja)
Other versions
JPS62199133A (en
Inventor
Koji Maeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP61042434A priority Critical patent/JPS62199133A/en
Priority to EP87102711A priority patent/EP0238880B1/en
Priority to DE8787102711T priority patent/DE3785782T2/en
Priority to AU69528/87A priority patent/AU582080B2/en
Priority to US07/019,986 priority patent/US4723304A/en
Priority to CA000530741A priority patent/CA1253212A/en
Publication of JPS62199133A publication Critical patent/JPS62199133A/en
Publication of JPH0545102B2 publication Critical patent/JPH0545102B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1607—Supply circuits
    • H04B1/1615—Switching on; Switching off, e.g. remotely
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0219—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave where the power saving management affects multiple terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

For a transmitter of a mobile station of a radio communication network which is typically a mobile radio telephone network, a power supplying arrangement is intermittently energized before being continually energized to allow the transmitter deliver a speech signal to another mobile station through a base station of the network. More particularly, the power supplying arrangement is temporarily energized in response to a down-loop indicating signal, and transmits a specific up-loop signal after which it is deenergized immediately subsequent to transmission from the transmitter of a known pre-call response signal. After this operation, it is preferable that the power supplying arrangement is intermittently energized upon reception of an intermittent succession of call signals and then continuously energized after the mobile station is put into an off-hook state for transmission of the speech signal.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は自動車電話システムにおける無線基地
局と移動局との間の無線回線の制御方式に関し、
特に移動局における着呼時の無線送信機の制御方
式に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a control method for a radio link between a radio base station and a mobile station in a car telephone system.
In particular, the present invention relates to a method for controlling a wireless transmitter at the time of incoming call at a mobile station.

従来の技術 従来の自動車電話システムにおいては、無線基
地局から移動局（自動車側）を呼出す信号が送出
された時（これを着呼という）、両局間で行われ
る信号のやりとりは次の通りである。フローチヤ
ート第２図に示すように、着呼のあつた移動局は
着呼応答信号を送り返す。これを受けた基地局は
通話チヤンネル指定信号を送出する。移動局はこ
れを受けて、指定されたチヤンネルに無線チヤン
ネルを切替え、切替えたチヤンネルで基地局から
の下りループチエツク信号を受信、折返し上りル
ープチエツク信号を送出する。これを受信した基
地局は無線回線が構成されたことを確認し、呼出
音送出指令信号（ベルを鳴らす信号を送出せよと
いう信号）を送出する。この信号は時間をおいて
何回も送出される。移動局で前記によるベル音を
聞いて電話機の送受器を上げれば通話状態に入
る。Conventional Technology In a conventional car phone system, when a signal is sent from a radio base station to call a mobile station (car side) (this is called an incoming call), the exchange of signals between the two stations is as follows. It is. As shown in FIG. 2 of the flowchart, the mobile station receiving the call sends back an incoming call response signal. Upon receiving this, the base station sends out a communication channel designation signal. In response to this, the mobile station switches the wireless channel to the designated channel, receives the downlink loop check signal from the base station on the switched channel, and sends back an uplink loop check signal. Upon receiving this, the base station confirms that the wireless line has been configured, and sends out a ringing tone sending command signal (a signal to send out a signal to ring a bell). This signal is sent out many times over time. When the user hears the above-mentioned ringing sound at the mobile station and lifts the handset of the telephone, the user enters the talking state.

以上において、移動局側は送受器を上げる（オ
フフツク）までは自動的に動作は進行する。そし
て前記上りループチエツク信号送出の時、オンに
なつた無線送信機の電源は終話までオフにならな
い。（参照文献、電気通信研究所「研究実用化報
告 自動車電話方式特集」VOL26No.27 1977年）。 In the above process, the operation proceeds automatically until the mobile station raises the handset (off-hook). When the uplink loop check signal is sent, the power of the wireless transmitter that is turned on is not turned off until the end of the call. (Reference document, Telecommunications Research Institute, "Research and Practical Application Report: Special Feature on Car Telephone Systems", VOL26 No.27, 1977).

発明が解決しようとする問題点 上述した従来の接続方式では、移動局側は上り
ループチエツク信号を送出したあとは、終話する
まで送信機の電源を断にすることはない。従つて
ベルが鳴つている時にも移動局は送信しているこ
とになるので、移動局の電源がバツテリーの場合
には消費電流の点で不利である。そうかといつて
移動局が呼出音を出力している時に、もし送信を
しないようにしたとすれば無線基地局では移動局
の電源が入つているのか断になつているのか知る
手段がなくなり、移動局側で呼出音を出力中に送
信機の電源を断にしても無線基地局は指定した通
話チヤンネルをしばらくの間確保しなくてはなら
ず、通話チヤンネルの使用効率が悪くなるという
問題点が発生する。Problems to be Solved by the Invention In the conventional connection system described above, after the mobile station transmits the uplink loop check signal, it does not turn off the power to the transmitter until the end of the call. Therefore, the mobile station is transmitting even when the bell is ringing, so if the mobile station is powered by a battery, this is disadvantageous in terms of current consumption. However, if the mobile station were to stop transmitting while it is outputting a ring tone, the wireless base station would have no way of knowing whether the mobile station is powered on or off. Even if the power to the transmitter is turned off while the mobile station is outputting a ring tone, the radio base station must secure the specified communication channel for a while, which reduces the efficiency of communication channel usage. occurs.

問題点を解決するための手段 本発明は、移動局着呼の接続動作において、ベ
ルが鳴つている時には移動局が常時送信を行うこ
となく、かつ無線基地局側から移動局の電源が投
入されているかどうかの検知が可能な信号方式で
ある。Means for Solving the Problems The present invention provides an incoming mobile station connection operation in which the mobile station does not always transmit when the bell is ringing, and the power of the mobile station is turned on from the radio base station side. This is a signaling method that can detect whether or not the

第１図は本発明の移動局着呼時の信号授受のフ
ローチヤートで、上りループチエツク信号返送ま
では従来の方式（第２図）と同じであるが、基地
局が呼出音送出指令信号を送つている時、間欠的
に送出されるこの信号の合間に適宜送信起動指令
信号を移動局に向けて送出するようにした。移動
局側では、この送信起動指令信号を受信した時に
だけ送信状態にして送信起動確認信号を送出す
る。無線基地局側では呼出音送出指令信号の間
に、適宜に送信起動指令信号を移動局側に送出す
れば、移動局の電源が入つていなければ送信起動
確認信号が受信できないので移動局の電源投入の
状態を検知することができる。 Figure 1 is a flowchart of signal exchange when a mobile station receives a call according to the present invention.Up to the return of an uplink loop check signal, the process is the same as the conventional method (Figure 2), but the base station receives a ringing tone transmission command signal. During transmission, a transmission activation command signal is appropriately sent to the mobile station between the intermittently sent signals. On the mobile station side, only when this transmission activation command signal is received, the mobile station enters the transmission state and sends out a transmission activation confirmation signal. If the radio base station side sends a transmission activation command signal to the mobile station appropriately during the ring tone transmission command signal, the transmission activation confirmation signal cannot be received if the mobile station is not powered on, so the mobile station It is possible to detect the power-on state.

実施例 現実問題としては、移動局が呼出音を出力して
いる時にトンネル等に入り、無線基地局に移動局
の送信波が届かない場合も生じるので、より細か
い制御が必要となる。例えば、無線基地局から１
秒間に１回送信起動指令信号を送出し、10回連続
して移動局から送信起動確認信号を受信できない
時、移動局の電源が断になつたと判定すれば、通
話チヤンネルは約10秒間この移動局に拘束される
だけで良く、通話チヤンネルの使用効率が問題に
なることはない。Embodiment As a practical matter, there are cases in which a mobile station enters a tunnel or the like while outputting a ringing tone and the transmitted waves of the mobile station do not reach the radio base station, so more detailed control is required. For example, 1
A transmission activation command signal is sent once per second, and if the transmission activation confirmation signal is not received from the mobile station 10 times in a row, and it is determined that the mobile station is powered off, the communication channel will continue to move for approximately 10 seconds. It is only necessary to be tied to the station, and the efficiency of use of the communication channel is not an issue.

また送信起動指令信号と呼出音送出指令信号の
送出比率を変えることにより、呼出音送出中の移
動局の送信時間比率を基地局側から制御すること
ができる。 Furthermore, by changing the transmission ratio of the transmission activation command signal and the ringing tone transmission command signal, the transmission time ratio of the mobile station that is transmitting the ringing tone can be controlled from the base station side.

発明の効果 以上に説明したように、本発明によれば、移動
局着呼の制御フローにおいて、移動局より呼出音
が出力されている時に、無線基地局から呼出音出
力指令信号と送信起動指令信号の２種類の信号を
交互に発して制御することにより、呼出音出力中
の移動局の消費電流を低減できる効果がある。Effects of the Invention As explained above, according to the present invention, in the control flow of an incoming call to a mobile station, when the mobile station is outputting a ring tone, the wireless base station sends a ring tone output command signal and a transmission activation command. By alternately emitting and controlling two types of signals, it is possible to reduce the current consumption of the mobile station while outputting the ring tone.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本発明による接続方式の移動局着呼時
の信号授受のフローチヤート、第２図は従来方式
のフローチヤートである。 FIG. 1 is a flowchart of signal transmission and reception when a mobile station receives a call using the connection method according to the present invention, and FIG. 2 is a flowchart of the conventional method.

Claims (1)

【特許請求の範囲】[Claims] １ 無線基地局が移動局を呼出した時、移動局は
これに対し着呼応答信号を返送し、基地局はこれ
を受けて通話チヤンネル指定信号を送出し、移動
局はこれを受けて無線チヤンネルを指定されたチ
ヤンネルに切替え基地局からの下りループチエツ
ク信号を受けると折返し上りループチエツク信号
を送出し、基地局がこの信号を受けると呼出音送
出指令信号を間欠送出する自動車電話システムに
おいて、基地局は前記呼出音送出指令信号の合間
に適宜に送信起動指令信号を送出し、移動局はこ
の信号を受けると送信起動確認信号を返送し、か
つこの送信起動確認信号および前記上りループチ
エツク信号の送出はそれぞれ信号送出時のみ無線
送信機電源を投入して行うように構成したことを
特徴とする自動車電話接続方式。1 When a wireless base station calls a mobile station, the mobile station returns an incoming call response signal, the base station receives this and sends a call channel designation signal, and the mobile station receives this and selects the wireless channel. In a car telephone system, when the base station switches to a specified channel and receives a downlink loop check signal from the base station, it sends back an uplink loop check signal, and when the base station receives this signal, it intermittently sends out a ringing tone transmission command signal. The station sends a transmission activation command signal appropriately between the ringing tone transmission command signals, and upon receiving this signal, the mobile station returns a transmission activation confirmation signal, and also checks the transmission activation confirmation signal and the uplink loop check signal. A car telephone connection system characterized in that transmission is performed by turning on the wireless transmitter power only when transmitting a signal.
JP61042434A 1986-02-27 1986-02-27 Automobile telephone connection system Granted JPS62199133A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP61042434A JPS62199133A (en) 1986-02-27 1986-02-27 Automobile telephone connection system
EP87102711A EP0238880B1 (en) 1986-02-27 1987-02-26 Mobile station and a mobile radio communication network in which electric power is saved without reduction of an activity ratio of radio communication channels
DE8787102711T DE3785782T2 (en) 1986-02-27 1987-02-26 MOBILE STATION AND MOBILE RADIO COMMUNICATION NETWORK IN WHICH ELECTRICAL PERFORMANCE IS SAVED WITHOUT REDUCING THE ACTIVITY RATIO OF THE RADIO COMMUNICATION CHANNELS.
AU69528/87A AU582080B2 (en) 1986-02-27 1987-02-27 Mobile station and a mobile radio communication network in which electric power is saved without reduction of an activity ratio of radio communication channels
US07/019,986 US4723304A (en) 1986-02-27 1987-02-27 Mobile station and a mobile radio communication network in which electric power is saved without reduction of an activity ratio of radio communication channels
CA000530741A CA1253212A (en) 1986-02-27 1987-02-27 Mobile station and a mobile radio communication network in which electric power is saved without reduction of an activity ratio of radio communication channels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61042434A JPS62199133A (en) 1986-02-27 1986-02-27 Automobile telephone connection system

Publications (2)

Publication Number Publication Date
JPS62199133A JPS62199133A (en) 1987-09-02
JPH0545102B2 true JPH0545102B2 (en) 1993-07-08

Family

ID=12635961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61042434A Granted JPS62199133A (en) 1986-02-27 1986-02-27 Automobile telephone connection system

Country Status (6)

Country Link
US (1) US4723304A (en)
EP (1) EP0238880B1 (en)
JP (1) JPS62199133A (en)
AU (1) AU582080B2 (en)
CA (1) CA1253212A (en)
DE (1) DE3785782T2 (en)

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Also Published As

Publication number Publication date
EP0238880B1 (en) 1993-05-12
DE3785782D1 (en) 1993-06-17
EP0238880A2 (en) 1987-09-30
AU6952887A (en) 1987-09-03
DE3785782T2 (en) 1993-08-12
US4723304A (en) 1988-02-02
CA1253212A (en) 1989-04-25
JPS62199133A (en) 1987-09-02
EP0238880A3 (en) 1989-04-12
AU582080B2 (en) 1989-03-09

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